Toward high-power-density laser-driven lighting: enhancing heat dissipation in phosphor-in-glass film by introducing h-BN

Ping Sui; Ping Sui; Hang Lin; Hang Lin; Hang Lin; Hang Lin; Yue Lin; Shisheng Lin; Jiajing Huang; Ju Xu; Yao Cheng; Yuansheng Wang; Yuansheng Wang

doi:10.1364/OL.460008

Optics Letters
Vol. 47,
Issue 14,
pp. 3455-3458
(2022)
•https://doi.org/10.1364/OL.460008

Toward high-power-density laser-driven lighting: enhancing heat dissipation in phosphor-in-glass film by introducing h-BN

Ping Sui, Hang Lin, Yue Lin, Shisheng Lin, Jiajing Huang, Ju Xu, Yao Cheng, and Yuansheng Wang

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Ping Sui, Hang Lin, Yue Lin, Shisheng Lin, Jiajing Huang, Ju Xu, Yao Cheng, and Yuansheng Wang, "Toward high-power-density laser-driven lighting: enhancing heat dissipation in phosphor-in-glass film by introducing h-BN," Opt. Lett. 47, 3455-3458 (2022)

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Abstract

In this work, hexagonal boron nitride (h-BN) nanocrystals as functional additives in a phosphor-in-glass film are shown to substantially increase the luminous performance driven by a blue laser. Microstructural and spectroscopic studies reveal that h-BN particles distributed over the whole glass matrix build in situ a local heat conductive path which effectively accelerates heat dissipation and so greatly relieves the “thermal run-away effect”. The developed composite material with fine thermal manipulation may be a promising phosphor color converter for high-power-density laser-driven lighting.

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